26789000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 74131200

約数和(自身を除く): 47342200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 70, 86, 89, 100, 125, 140, 172, 175, 178, 200, 215, 250, 280, 301, 344, 350, 356, 430, 445, 500, 602, 623, 700, 712, 860, 875, 890, 1000, 1075, 1204, 1246, 1400, 1505, 1720, 1750, 1780, 2150, 2225, 2408, 2492, 3010, 3115, 3500, 3560, 3827, 4300, 4450, 4984, 5375, 6020, 6230, 7000, 7525, 7654, 8600, 8900, 10750, 11125, 12040, 12460, 15050, 15308, 15575, 17800, 19135, 21500, 22250, 24920, 26789, 30100, 30616, 31150, 37625, 38270, 43000, 44500, 53578, 60200, 62300, 75250, 76540, 77875, 89000, 95675, 107156, 124600, 133945, 150500, 153080, 155750, 191350, 214312, 267890, 301000, 311500, 382700, 478375, 535780, 623000, 669725, 765400, 956750, 1071560, 1339450, 1913500, 2678900, 3348625, 3827000, 5357800, 6697250, 13394500, 26789000]

約数ペア:

[(1, 26789000), (2, 13394500), (4, 6697250), (5, 5357800), (7, 3827000), (8, 3348625), (10, 2678900), (14, 1913500), (20, 1339450), (25, 1071560), (28, 956750), (35, 765400), (40, 669725), (43, 623000), (50, 535780), (56, 478375), (70, 382700), (86, 311500), (89, 301000), (100, 267890), (125, 214312), (140, 191350), (172, 155750), (175, 153080), (178, 150500), (200, 133945), (215, 124600), (250, 107156), (280, 95675), (301, 89000), (344, 77875), (350, 76540), (356, 75250), (430, 62300), (445, 60200), (500, 53578), (602, 44500), (623, 43000), (700, 38270), (712, 37625), (860, 31150), (875, 30616), (890, 30100), (1000, 26789), (1075, 24920), (1204, 22250), (1246, 21500), (1400, 19135), (1505, 17800), (1720, 15575), (1750, 15308), (1780, 15050), (2150, 12460), (2225, 12040), (2408, 11125), (2492, 10750), (3010, 8900), (3115, 8600), (3500, 7654), (3560, 7525), (3827, 7000), (4300, 6230), (4450, 6020), (4984, 5375)]